package itbour.onetouchshow.utils;

import android.content.Context;
import android.view.WindowManager;

/**
 * 屏幕尺寸转换的工具类；
 */
public class DisplayUtil {

    /**
     * 将px值转换为dip或dp值，保证尺寸大小不变
     */
    public static int px2dip(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }

    /**
     * 将dip或dp值转换为px值，保证尺寸大小不变
     */
    public static int dip2px(Context context, float dipValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dipValue * scale + 0.5f);
    }

    /**
     * 将px值转换为sp值，保证文字大小不变
     */
    public static int px2sp(Context context, float pxValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (pxValue / fontScale + 0.5f);
    }

    /**
     * 将sp值转换为px值，保证文字大小不变
     */
    public static int sp2px(Context context, float spValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (spValue * fontScale + 0.5f);
    }

    /**
     * 获取屏幕分辨率
     */
    @SuppressWarnings("deprecation")
    public static int[] getScreenDispaly(Context context) {
        WindowManager windowManager = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        int width = windowManager.getDefaultDisplay().getWidth();// 手机屏幕的宽度
        int height = windowManager.getDefaultDisplay().getHeight();// 手机屏幕的高度
        int result[] = {width, height};
        return result;
    }
}